Home / 89,492.34-134,154.68-30,286.56

Finding the Fourth Proportional to 89,492.34, 134,154.68 and 30,286.56

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Solution

The fourth proportional to 89,492.34, 134,154.68 and 30,286.56 is: 45,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,492.34 : 134,154.68 = 30,286.56 : x
  2. Step 2: Convert to fraction form
    89,492.34/134,154.68 = 30,286.56/x
  3. Step 3: Cross multiply
    89,492.34x = 134,154.68 × 30,286.56
  4. Step 4: Simplify right side
    89,492.34x = 4,063,083,613.67
  5. Step 5: Solve for x
    x = 4,063,083,613.67/89,492.34
  6. Step 6: Final answer
    x = 45,401.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.